Battery pack



FIG. 1 is a front isometric view of a first embodiment of a battery pack showing my new design.

FIG. 2 is a front elevation view thereof.

FIG. 3 is a back elevation view thereof.

FIG. 4 is a left side elevation view thereof.

FIG. 5 is a right side elevation view thereof.

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

Any broken lines are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for the battery pack, as shown and described. 